PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7609Cap-Plug,protective,dust and Moi

Keystone Electronics Corp · NSN 5340-01-443-3999 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-443-3999 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-443-3999. Primary manufacturer part number: 7609.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Closed End Overall Diameter: 1.437 INCHES NOMINAL IN
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Keystone Electronics Corp
Applications
  • Applications requiring Steel construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-443-3999, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-443-3999
Primary Part Number7609
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Closed End Overall Diameter1.437 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-080-9022 INTERCHANGEABLE
Valve,check
3455-00-231-352653-10009 INTERCHANGEABLE
Cutter,milling,shell End
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5950-00-232-5204 INTERCHANGEABLE
Transformer,current
5935-00-257-7672 INTERCHANGEABLE
Connector,receptacle,electrical
3120-00-447-8481 INTERCHANGEABLE
Bearing,sleeve
5960-00-840-1055 INTERCHANGEABLE
Electron Tube
5330-00-860-00367609 INTERCHANGEABLE
Packing Assembly
Cascade Corp
5305-01-200-58737609 INTERCHANGEABLE
Screw
Abb Inc.
5940-01-617-65187609 INTERCHANGEABLE
Terminal,feedthru
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
7609 PRIMARY Keystone Electronics Corp (USA)
Related Parts
4820-00-080-9022INTERCHANGEABLE
VALVE,CHECK
3455-00-231-3526INTERCHANGEABLE
CUTTER,MILLING,SHELL END
53-10009
5950-00-232-5204INTERCHANGEABLE
TRANSFORMER,CURRENT
5935-00-257-7672INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3120-00-447-8481INTERCHANGEABLE
BEARING,SLEEVE
5960-00-840-1055INTERCHANGEABLE
ELECTRON TUBE
5330-00-860-0036INTERCHANGEABLE
PACKING ASSEMBLY
7609
5305-01-200-5873INTERCHANGEABLE
SCREW
7609
5940-01-617-6518INTERCHANGEABLE
TERMINAL,FEEDTHRU
7609

Frequently Asked Questions

What is NSN 5340-01-443-3999?

NSN 5340-01-443-3999 is a Cap-Plug,protective,dust and Moi, manufactured by Keystone Electronics Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-443-3999?

NSN 5340-01-443-3999 has 1 cross-referenced part number: 7609 (Keystone Electronics Corp).

What NSN replaces 5340-01-443-3999?

There are 9 known substitutes for 5340-01-443-3999: 4820-00-080-9022, 3455-00-231-3526, 5950-00-232-5204 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7609?

Key specifications for 7609: Special Features: NICKEL PLATED; 12 PRONGS; DEPTH 0.343 IN.; CAP, 0.093 IN. THICK IN; Closed End Overall Diameter: 1.437 INCHES NOMINAL IN; Material: STEEL; End Item Identification: LINK-11 MONITORING SYSTEM. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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